| 摘要 |
<p>A system and method for controlling the dispensing of a fluid provideS: (a) regulation of the times that such dispensing can occur, (b) determination of the quality of the fluid so that, e.g., poor quality fluids can be purged, and/or (c) control of the system remotely. The system and method of the invention may be used for the dispensing beer and other beverages. A valve assembly (24) in a fluid dispensing line (28) can be configured to dispense the fluid, re-route the line contents so that it is purged when the quality of the fluid therein is determined to be unacceptable, or stop all flow of the fluid through the line. Quality detectors (38) detect the quality of the fluid being dispensed. For the dispensing of beer, an optical foam detector (54) is one such quality detector for detecting and purging a beer dispensing line when the line is substantially foam rather than beer.</p> |
